CN201915299U - Pretensioned prestressed concrete track slab of slab ballastless track - Google Patents
Pretensioned prestressed concrete track slab of slab ballastless track Download PDFInfo
- Publication number
- CN201915299U CN201915299U CN 201020691768 CN201020691768U CN201915299U CN 201915299 U CN201915299 U CN 201915299U CN 201020691768 CN201020691768 CN 201020691768 CN 201020691768 U CN201020691768 U CN 201020691768U CN 201915299 U CN201915299 U CN 201915299U
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- plate
- track
- plate body
- prestressed concrete
- type ballastless
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 27
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
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- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
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- 238000009413 insulation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
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Abstract
The utility model provides a pretensioned prestressed concrete track slab of a slab ballastless track, which comprises a slab body. Fastener embedded sleeves are arranged on the slab body, at least one row of longitudinal general reinforced bars and at least one row of transverse general reinforced bars are arranged in the slab body along the length direction and the width direction, the longitudinal general reinforced bars and the transverse general reinforced bars are insulated from each other, at least one row of longitudinal prestressed reinforced bars and at least one row of transverse prestressed reinforced bars are also arranged in the slab body along the length direction and the width direction, the longitudinal prestressed reinforced bars and the transverse prestressed reinforced bars are subjected to bidirectional pretensioned prestress, and limiting structures and grounding terminals are further arranged on the slab body. The pretensioned prestressed concrete track slab is light in dead weight, and low in structural height, low in manufacturing cost and not easy to deform.
Description
Technical field
The utility model relates to a kind of plate-type ballastless track pretensioning prestressed concrete track plate that is widely used in high-speed railway, Line for Passenger Transportation, general railway and city and intercity traffic.
Background technology
The high-speed railway of countries in the world adopts the non-fragment orbit system more.Non-fragment orbit mainly contains board-like and double-block type two big classes.With the rich lattice plate of Japanese posttension track plate and Germany is that the plate-type ballastless track of representative is compared with double-block type ballastless track and had obvious superiority.
The comfortable Qin-Shen Passenger Line of China and the line that changes then begin posttension track plate on probation, the back Beijing-Tianjin inter-city passenger rail adopt win the lattice plate since, the ballastless track of high-speed railway fast development.Engineering practice shows that all there is open defect in these two kinds of track plates, have much room for improvement.The deficiency of posttension track plate shows that loss of prestress is big, and the ground tackle cost is higher, and homemade prestressed steel bar elongation per unit length is difficult for satisfying code requirement; The defective of rich lattice plate is that cost is too high, and the manufacturing process complexity does not vertically have prestressing force, and the crack is serious.
The utility model content
The utility model provide a kind of have satisfy train operation high security, high ride, high stability, insulation, economy attractive in appearance more, and can prevent the plate-type ballastless track pretensioning prestressed concrete track plate of track board concrete cracking.
The utility model is achieved through the following technical solutions, it comprises: plate body, plate body is provided with the fastener service sleeve, in plate body, be provided with the vertical plain bars of at least one row and at least one horizontal row to plain bars along length and width, insulated from each other between described vertical plain bars and the described horizontal plain bars, in plate body, also be provided with at least one row's longitudinal prestressing reinforcing bar and at least one horizontal row to prestressed reinforcement with width along its length, prestress square on described longitudinal prestressing reinforcing bar and described transverse prestressed reinforcing steel bar also is provided with position limiting structure and earth terminal to being bidirectional pre-tensioned on described plate body.
The utility model is owing to adopt technique scheme, and has following characteristics:
1, plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model can be convenient to paste elastic layer at the bottom of the plate, realizes the vibration damping to the basis, bottom; There is being the changeover portion between the tiny fragments of stone, coal, etc. and non-fragment orbit can be convenient on concrete railway board, lay auxiliary rail, increasing the vertical bending rigidity of the section of track; Concrete railway board deadweight is relatively light, structure height is low, and by applying bidirectional pre-tensioned prestressing force, the loss of prestress that can solve posttension track plate is big, and the ground tackle cost is than problems such as height, and can guarantee that concrete does not ftracture under the design load effect; Can satisfy the safety of high speed and heavy haul train operation and the requirement of stationarity.
2, in plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model, be provided with in length and breadth to plain bars, can adopt resin reinforcing bar or measures such as insulating coating, edge insulator, to satisfy the technical requirements of insulation of track circuit, not only solved conflicting between plate-type ballastless track and the railway signal system, satisfied the technical requirements of track circuit, and than other structure, easy, the quality of its manufacture process is easy to guarantee when taking insulation mode.But be reinforced mesh to the plain bars colligation in length and breadth, make things convenient for integral body to go into mould, can increase the reinforcing bar positioning accuracy, save the production time.
3, hollow frame formula prestressed concrete railway board of the present utility model from heavy and light, structure height is low, low cost of manufacture, transportation and lay conveniently, temperature difference per day is little to the warpage influence of track plate, the consumption of filling bed material reduces.
4, plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model, can support rail platform or concrete shoulder block be set at the plate face, with the discharge of satisfying severe cold area accumulated snow and rainwater, reduce the damage of dust storm and saline soil area fastener and be convenient to maintenance etc.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of first embodiment of plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model;
Fig. 2 is the schematic top plan view of first embodiment of plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model;
Fig. 3 is the prestressed reinforcement schematic diagram of first embodiment of plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model;
Fig. 4 is the plain bars schematic diagram of first embodiment of plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model;
Fig. 5 is the main TV structure schematic diagram of second embodiment of plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model.
The specific embodiment
Followingly describe the specific embodiment of the present utility model in detail with reference to accompanying drawing.
First embodiment
Fig. 1 to Fig. 4 is the structural representation of first embodiment of the present utility model.
As shown in the figure, plate-type ballastless track pretensioning prestressed concrete track plate of the present utility model, it comprises: plate body 1, plate body 1 is provided with fastener service sleeve 4, can adjust the rail fastening spacing to adapt to different operation condition requirements by the position of adjusting fastener service sleeve 4.In plate body 1, be provided with the two vertical plain barss 9 of row and two horizontal rows to plain bars 10 along length and width, also be provided with four row's longitudinal prestressing reinforcing bars 8 and a horizontal row to prestressed reinforcement 7 with width along its length in plate body 1, the prestress square on longitudinal prestressing reinforcing bar 8 and transverse prestressed reinforcing steel bar 7 is to being bidirectional pre-tensioned.On plate body 1, also be provided with concrete shoulder block 2, when making, can be with concrete shoulder block 2 and the casting of plate body 1 one. Plain bars 9,10 can adopt resin reinforcing bar or measures such as insulating coating, edge insulator, and also is provided with earth terminal 12 at the plain bars place, to satisfy the technical requirements of insulation of track circuit.In first embodiment, vertically row's number of plain bars 9 and horizontal plain bars 10 is two rows, but can be set to a row or multi-row (for example three rows) as required, same, row's number of prestressed reinforcement 8 and transverse prestressed reinforcing steel bar 7 also can be made as a row or multi-row as required.Longitudinal prestressing reinforcing bar 8 and transverse prestressed reinforcing steel bar 7 can be rod iron, steel wire or steel strand.In addition, also be provided with at least one group of lifting sleeve pipe 3 along its length respectively relatively,, in described lifting sleeve pipe 3 surrounding concretes, be provided with spiral bar 6 in order to improve the intensity of described lifting sleeve pipe 3 and surrounding concrete thereof in the both sides of plate body 1 width.Plate end stretch at plate body 1 goes out reinforcing bar 11, be used for plate body 1 when circuit is installed the location and in length and breadth to spacing.On described plate body 1, also be provided with the filling bed fill orifice 5 that at least one connects plate body 1,, thereby fixedly stretch out reinforcing bar 11 by concrete perfusion from this fill orifice 5.In addition, the utility model also can not adopt and stretch out reinforcing bar 11 as position limiting structure, and adopts two short brinks at plate body 1 to be respectively arranged with semicircle breach, in the case, need not to connect the filling bed fill orifice 5 of plate body 1.Concrete shoulder block 2 also can change the support rail platform in addition, in addition, also concrete shoulder block 2 or support rail platform can be set as required.
Second embodiment
Fig. 5 is the structural representation of second embodiment of the present utility model.
As shown in Figure 5, the prestressed concrete railway board shown in the present embodiment has hollow bulb 14 at plate body 1, thereby forms prestressed concrete frame formula track plate.Because the middle part of plate body 1 offers hollow bulb 14, therefore, it is relatively large to have overcome the deadweight that whole plate track plate exists in the non-fragment orbit structure, is not easy to transportation and laying, and the manufacturing cost height influences the defective that the lower railway plate easily produces warpage at temperature difference per day.Have that dead load is light, low cost of manufacture and on-deformable advantage.By reinforcing bar is applied prestressing force, the track plate is not ftractureed under the effect of design load.
Other structural configuration of present embodiment, advantage is identical with first embodiment with effect, does not repeat them here.
The above person of thought; it only is specific embodiment of the utility model; when not limiting the scope that the utility model is implemented with this; so displacement of its equivalent assemblies; or, all should still belong to the category that the utility model claims are contained according to equivalent variations and modification that the utility model scope of patent protection is done.
Claims (9)
1. plate-type ballastless track pretensioning prestressed concrete track plate, it comprises: plate body, plate body is provided with the fastener service sleeve, it is characterized in that: in plate body, be provided with the vertical plain bars of at least one row and at least one horizontal row to plain bars along length and width, insulated from each other between described vertical plain bars and the described horizontal plain bars, in plate body, also be provided with at least one row's longitudinal prestressing reinforcing bar and at least one horizontal row to prestressed reinforcement with width along its length, prestress square on described longitudinal prestressing reinforcing bar and described transverse prestressed reinforcing steel bar also is provided with position limiting structure and earth terminal to being bidirectional pre-tensioned on described plate body.
2. plate-type ballastless track pretensioning prestressed concrete track plate according to claim 1 is characterized in that: also be provided with at least one group of lifting sleeve pipe along its length respectively relatively in the both sides of described plate body width.
3. plate-type ballastless track pretensioning prestressed concrete track plate according to claim 2 is characterized in that: be provided with spiral bar in the concrete around the described lifting sleeve pipe.
4. plate-type ballastless track pretensioning prestressed concrete track plate according to claim 1, it is characterized in that: described plain bars is the resin reinforcing bar.
5. plate-type ballastless track pretensioning prestressed concrete track plate according to claim 1 is characterized in that: described position limiting structure is that two short brinks at plate body are respectively arranged with semicircle breach.
6. plate-type ballastless track pretensioning prestressed concrete track plate according to claim 1 is characterized in that: described position limiting structure is to stretch out reinforcing bar in the plate body bottom, and described plate body is provided with at least one filling bed fill orifice that connects plate body.
7. according to claim 1,5 or 6 described plate-type ballastless track pretensioning prestressed concrete track plates, it is characterized in that: also be provided with the support rail platform on described plate body, described support rail platform and plate body are structure as a whole.
8. according to claim 1,5 or 6 described plate-type ballastless track pretensioning prestressed concrete track plates, it is characterized in that: also be provided with the concrete shoulder block on described plate body, described concrete shoulder block and plate body are structure as a whole.
9. plate-type ballastless track pretensioning prestressed concrete track plate according to claim 1, it is characterized in that: the middle part at described plate body offers hollow bulb.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020691768 CN201915299U (en) | 2010-12-31 | 2010-12-31 | Pretensioned prestressed concrete track slab of slab ballastless track |
| PCT/CN2011/084072 WO2012079526A1 (en) | 2010-12-17 | 2011-12-15 | Prestressed concrete track slab of slab-type ballastless track |
| US13/994,931 US9222225B2 (en) | 2010-12-17 | 2011-12-15 | Pre-stressed concrete track slab of slab-type ballast-less track |
| RU2013134949/11A RU2588352C2 (en) | 2010-12-17 | 2011-12-15 | Pre-stressed concrete track slab of slab-type ballast-less track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020691768 CN201915299U (en) | 2010-12-31 | 2010-12-31 | Pretensioned prestressed concrete track slab of slab ballastless track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915299U true CN201915299U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020691768 Expired - Lifetime CN201915299U (en) | 2010-12-17 | 2010-12-31 | Pretensioned prestressed concrete track slab of slab ballastless track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915299U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079526A1 (en) * | 2010-12-17 | 2012-06-21 | 中国铁道科学研究院铁道建筑研究所 | Prestressed concrete track slab of slab-type ballastless track |
| CN104695288A (en) * | 2014-11-20 | 2015-06-10 | 严晶伟 | High-speed railway patch |
| CN107130474A (en) * | 2017-06-30 | 2017-09-05 | 天津银龙预应力材料股份有限公司 | A kind of framework cloth muscle structure of track plates |
| CN107675564A (en) * | 2017-11-16 | 2018-02-09 | 广西三维铁路轨道制造有限公司 | A kind of fragment-free track slab framework of steel reinforcement insulation system |
| CN110485215A (en) * | 2019-09-11 | 2019-11-22 | 扬州大学 | A kind of novel pretensioned prestressing steel-continuous-fiber muscle enhancing is without tiny fragments of stone, coal, etc. Reactive Powder Concrete track plates and preparation method thereof |
-
2010
- 2010-12-31 CN CN 201020691768 patent/CN201915299U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079526A1 (en) * | 2010-12-17 | 2012-06-21 | 中国铁道科学研究院铁道建筑研究所 | Prestressed concrete track slab of slab-type ballastless track |
| CN104695288A (en) * | 2014-11-20 | 2015-06-10 | 严晶伟 | High-speed railway patch |
| CN107130474A (en) * | 2017-06-30 | 2017-09-05 | 天津银龙预应力材料股份有限公司 | A kind of framework cloth muscle structure of track plates |
| CN107675564A (en) * | 2017-11-16 | 2018-02-09 | 广西三维铁路轨道制造有限公司 | A kind of fragment-free track slab framework of steel reinforcement insulation system |
| CN110485215A (en) * | 2019-09-11 | 2019-11-22 | 扬州大学 | A kind of novel pretensioned prestressing steel-continuous-fiber muscle enhancing is without tiny fragments of stone, coal, etc. Reactive Powder Concrete track plates and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RAILWAY CONSTRUCTION INSTITUTE OF CHINA ACADEMY OF Effective date: 20120815 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120815 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee after: China Academy of Railway Sciences Patentee after: Railway Construction Institute of China Academy of Railway Sciences Address before: 100081 Beijing city Haidian District Xizhimen Daliushu Road No. 2 Patentee before: Railway Construction Institute of China Academy of Railway Sciences |
|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Chunfang Inventor after: Wang Jijun Inventor after: Jiang Cheng Inventor after: Wang Meng Inventor after: Fan Jia Inventor after: Liu Weibin Inventor after: Zhao Yong Inventor after: Jiang Ziqing Inventor before: Wang Jijun Inventor before: Jiang Cheng Inventor before: Wang Meng Inventor before: Fan Jia Inventor before: Liu Weibin Inventor before: Zhao Yong Inventor before: Jiang Ziqing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG JIJUN JIANG CHENG WANG MENG FAN JIA LIU WEIBIN ZHAO YONG JIANG ZIQING TO: LU CHUNFANG WANG JIJUN JIANG CHENG WANG MENG FAN JIA LIU WEIBIN ZHAO YONG JIANG ZIQING |
|
| ASS | Succession or assignment of patent right |
Owner name: RAILWAY CONSTRUCTION INSTITUTE OF CHINA ACADEMY OF Free format text: FORMER OWNER: RAILWAY CONSTRUCTION INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Effective date: 20140926 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140926 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee after: China Academy of Railway Sciences Patentee after: Railway Construction Institute of China Academy of Railway Sciences Patentee after: CHINA RAILWAY CORPORATION Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee before: China Academy of Railway Sciences Patentee before: Railway Construction Institute of China Academy of Railway Sciences |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |